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303 Stainless Steel Plate

303 Stainless Steel Plate (UNS S30300, EN 1.4305, SUS303) is a sulfur-added free-machining austenitic stainless steel, modified from 18-8 stainless. The sulfur additive helps break chips during cutting, greatly boosting CNC machining speed, lowering tool wear and delivering consistent precision. It is the top pick for mass-produced machined small parts, valve plates and threaded fasteners, widely sourced by overseas CNC workshops and machinery manufacturers.

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Product Parameters

Item	Details
Grade	AISI 303 / SUS303 / UNS S30300 / EN 1.4305
Standard	ASTM A240, JIS G4305, EN 10088-2
Thickness	0.2mm – 6.0mm (Cold Rolled); 3mm – 12mm (Hot Rolled)
Width	100mm – 1500mm, custom slit width available
Length	1000mm, 1220mm, 2440mm, cut-to-size service
Surface Finish	2B, BA, No.4 Brushed, HL Hairline
Certificate	Mill Test Certificate (MTC), ISO, CE
Processing Service	Laser cutting, waterjet cutting, shearing, slitting
MOQ	Over 1 ton, bulk wholesale order only
Main exported to	Turkey, Southeast Asia, Middle East, Eastern Europe, North Africa
Package & shipment	Waterproof paper + plastic protective film, packed on export wooden pallets Anti-scratch and anti-deformation packaging for sea freight Shipment from Qingdao / Shanghai / Tianjin port, EXW, FOB, CIF terms available
Key advantages	Outstanding free-machining property: Short broken chips, faster cutting speed, longer tool life Stable dimensional accuracy, perfect for precision turned, milled and threaded components Good atmospheric corrosion resistance for indoor & mild environment applications Annealed state is non-magnetic; slight magnetism after cold working (normal feature) Support custom cutting, slitting, laser cutting to match your drawing Stable stock for regular sizes, flexible MOQ for trial & bulk orders Cost-effective for high-volume machining production
Main applications	CNC precision machined small parts, turned components Valve plates, valve cores, pump fittings Fasteners: bolts, nuts, screws, studs, threaded pins Instrument parts, sensor housings, bushing, small gears Automotive hardware, mechanical fittings, general machinery accessories

Optimized free-machining austenitic stainless steel, creates clean short chips for high-speed CNC turning, milling and threading. Cut down tool wear & cycle time, delivers consistent precision for mass production of valve plates, fasteners and machined hardware. Stable stock and custom cutting service for machine shop wholesale buyers.

Send us inquiry now with your required thickness, finish, dimension and quantity, get your latest wholesale quotation today.

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FAQ

1.What kind of customer service do you provide?

We provide comprehensive customer service, including basic design, procurement of supporting facilities, and options for dispatching installation guides.

2.What are the customer evaluations of your company?

We are proud to consistently receive five-star reviews from our customers, which demonstrates our commitment to quality and service.

3.What is your quality inspection process like?

Our strict quality inspection process ensures that every product meets the highest standards of excellence. From raw materials to finished products, every stage is carefully inspected to ensure excellent quality.

4.Do you accept container loading inspection?

Welcome to dispatch inspectors, not only for container loading, but also at any time during production.

5.What is the delivery time?

The delivery time depends on the quantity of orders. Usually, the delivery time to the nearest port in China is 15-30 days after receiving the deposit.

6. How to obtain a project quotation?

You can contact us 24 * 7 via email, phone, WhatsApp, WeChat, etc. You will receive a reply within 4 hours.